Furnace-front molten iron casting protection device of ferrosilicon heat furnace
By designing protective devices for the smelting of ferroalloy hot furnaces, the health and safety hazards of liquid high-temperature molten iron for operators are solved, and a safer and more efficient casting operation is achieved.
Patent Information
- Application Number
- CN202420611330.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-27
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-03-27
AI Technical Summary
During the smelting of ferroalloy hot furnaces, the thermal radiation, strong light and splashing of liquid high-temperature ferrosilicon alloy iron cause health and safety hazards to operators.
A pre-furnace water-mold casting protection device including protective steel plates, explosion-proof glass and high-temperature fire-viewing mirrors is designed. The device prevents water splashing and heat radiation through protective steel plates and explosion-proof glass, and the high-temperature fire-viewing mirror reduces the glaring light.
Effectively prevent the burning damage caused by liquid high-temperature molten iron splashing to the operator, reduce the damage to health of thermal radiation, and improve the safety and efficiency of casting operations through high-temperature fire-viewing mirrors.
Smart Images

Figure CN222809494U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of auxiliary equipment of ferroalloy ore-fired furnaces, in particular to a molten iron casting protection device in front of a ferrosilicon ore-fired furnace. Background Art
[0002] Ferroalloy enterprises smelt ferrosilicon alloy through ore-fired furnaces. The main raw materials are silica, iron materials (iron oxide scale, iron pellets, etc.), and lignite. After reduction smelting in the ore-fired furnace, the liquid high-temperature ferrosilicon alloy molten iron is produced. The molten iron in the ore-fired furnace is loaded into the iron ladle through the iron-tapping operation in front of the furnace, and then the molten iron in the iron ladle is cast onto the ingot mold through the overhead crane operation. After condensation, solid ferrosilicon alloy is formed.
[0003] Since the temperature of liquid high-temperature ferrosilicon alloy is as high as about 1550℃, and the casting platform is about 15 meters away from the casting point, when the personnel on duty stand on the casting platform to cast, firstly, the thermal radiation from the liquid high-temperature molten iron will cause certain damage to the health of the operators; secondly, the incandescent strong light and radiation light generated by the liquid high-temperature molten iron are very dazzling to the operators when they are working; thirdly, the iron flowers generated by the splashing of liquid high-temperature molten iron onto the ingot mold will pose a scalding hazard to the operators, causing certain damage to the safety and health of the operators. Utility Model Content
[0004] The utility model aims to provide a molten iron casting protection device in front of a ferrosilicon ore heating furnace, which has a reasonable structural design, novel concept, convenient operation, low processing and manufacturing cost, prevents liquid high-temperature molten iron from splashing and causing harm to operators, is safe and reliable to use, and improves casting efficiency.
[0005] The utility model discloses a molten iron casting protection device in front of a ferrosilicon ore heating furnace, comprising a casting platform, a first horizontal rod is installed above the casting platform, second horizontal rods are fixedly installed at both ends of the first horizontal rod, the second horizontal rod and the casting platform are fixedly connected by a plurality of evenly arranged first vertical rods, and the first horizontal rod and the casting platform are fixedly connected by a plurality of evenly arranged second vertical rods; a protective steel plate is fixedly installed on the side wall surface of the first horizontal rod.
[0006] Explosion-proof glass is fixedly installed on the surface of the protective steel plate.
[0007] The first horizontal rod and the second horizontal rod arranged on the surface of the casting platform, as well as the first vertical rod and the second vertical rod evenly arranged between the first horizontal rod and the second horizontal rod and the casting platform, can protect the operator when the operator stands on the casting platform to perform molten iron casting operations and prevent the operator from falling. The provided protective steel plate can not only protect the operator during operation and prevent the operator from being scalded by molten iron, but also facilitate the installation of explosion-proof glass, making the installation safer and more secure. When the operator stands behind the protective steel plate to operate, the explosion-proof glass can play a protective role, and the casting operation can be performed through the explosion-proof glass; it will not affect the operator's line of sight.
[0008] A high-temperature fire-viewing mirror is fixedly installed on the side wall surface of the explosion-proof glass.
[0009] The high-temperature fire-viewing mirror can enable the operator to perform molten iron casting operations with the assistance of the high-temperature fire-viewing mirror, which is more conducive to the casting operation and improves the casting efficiency.
[0010] A frame structure with three sides surrounded and one side open is formed between the first horizontal rod and the second horizontal rod.
[0011] A step is installed at the opening of the frame structure, the surface of the step is connected to the surface of the casting platform, and the step gradually extends to the ground plane.
[0012] The provided steps can facilitate operators to enter the surface of the casting platform to perform molten iron casting operations.
[0013] The bottom surface of the casting platform is fixedly provided with supporting legs, and the number of the supporting legs is four, which are respectively located at four angles of the casting platform.
[0014] Beneficial effects of the utility model:
[0015] 1) The first horizontal bar and the second horizontal bar arranged on the surface of the casting platform, as well as the first vertical bar and the second vertical bar evenly arranged between the first horizontal bar and the second horizontal bar and the casting platform, can protect the operator when the operator stands on the casting platform to perform molten iron casting operations and prevent the operator from falling; the protective steel plate provided can not only protect the operator during operation and prevent the operator from being scalded by molten iron, but also facilitate the installation of explosion-proof glass, making the installation safer and more secure. When the operator stands behind the protective steel plate to operate, the explosion-proof glass can play a protective role, and the casting operation can be performed through the explosion-proof glass; it will not affect the operator's line of sight.
[0016] 2) The high-temperature fire-viewing mirror can help operators to perform molten iron casting operations, which is more conducive to casting operations and improves casting efficiency.
[0017] 3) The steps are provided to facilitate operators to enter the surface of the casting platform to perform molten iron casting operations.
[0018] 4) The device has a reasonable structural design, novel concept, convenient operation, low processing and manufacturing cost. When the operator stands on the casting platform surface and performs casting operations on the protective steel plate and explosion-proof glass side, it is safe and reliable to use and improves casting efficiency. The entire protective device can prevent the iron flowers generated by the splashing of liquid high-temperature molten iron from burning the operator. The explosion-proof glass can block the damage to the health of the operator caused by the thermal radiation of liquid high-temperature molten iron. The lens of the high-temperature fire-viewing mirror is blue, which can effectively reduce the incandescent strong light and radiation light generated by the liquid high-temperature molten iron to the eyes of the operator, ensuring the safety and health of the molten iron casting operators in front of the furnace, and is worthy of promotion. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is the front view of the utility model;
[0020] Figure 2 It is a side view of the utility model;
[0021] Figure 3 It is a top view of the utility model.
[0022] In the figure: explosion-proof glass 1, high-temperature fire-viewing mirror 2, first vertical rod 3, second vertical rod 4, casting platform 5, supporting legs 6, steps 7, second horizontal rod 8, first horizontal rod 9, and protective steel plate 10. DETAILED DESCRIPTION
[0023] Example 1.
[0024] The following will be combined with the attached Figure 1-3 The utility model is further described.
[0025] The utility model includes explosion-proof glass 1, high-temperature fire-viewing mirror 2, a first vertical rod 3, a second vertical rod 4, a casting platform 5, a second horizontal rod 8, a first horizontal rod 9, and a protective steel plate 10. The specific structure includes the casting platform 5, the first horizontal rod 9 is installed above the casting platform 5, the second horizontal rod 8 is fixedly installed at both ends of the first horizontal rod 9, the second horizontal rod 8 and the casting platform 5 are fixedly connected by a plurality of evenly arranged first vertical rods 3, and the first horizontal rod 9 and the casting platform 5 are fixedly connected by a plurality of evenly arranged second vertical rods 4; the side wall surface of the first horizontal rod 9 is fixedly installed with a protective steel plate 10.
[0026] A high-temperature fire-viewing mirror 2 is fixedly installed on the side wall of the explosion-proof glass 1.
[0027] The first horizontal rod 9 and the second horizontal rod 8 form a frame structure with three sides surrounded and one side open.
[0028] The first horizontal rod 9 and the second horizontal rod 8 are made of angle steel, and the model is: 30mm*30mm*4mm; the frame formed by the first horizontal rod 9 and the second horizontal rod 8 has a length of 1000mm, a width of 1000mm, and a height of 2000mm; the model of the protective steel plate 10 is: 5 mm; the thickness of the explosion-proof glass 1 is 12-13mm, and the lens is blue; a high-temperature fire-viewing mirror 1 with a specification of 200mm*200mm is pasted in the middle position of the explosion-proof glass 1.
[0029] Instructions for use: When pouring is required, the operator can stand on the surface of the casting platform 5, on one side of the protective steel plate 10 and the explosion-proof glass 1, and perform the molten iron casting operation with the assistance of the high-temperature fire-viewing mirror 2. The entire protective device can prevent the iron flowers generated by the splashing of liquid high-temperature molten iron from burning the operator. The explosion-proof glass 1 can block the damage to the health of the operator caused by the thermal radiation of the liquid high-temperature molten iron. The lens of the high-temperature fire-viewing mirror 1 is blue, which can effectively reduce the incandescent strong light and radiation light generated by the liquid high-temperature molten iron to the eyes of the operator, ensuring the safety and health of the molten iron casting operator in front of the furnace.
[0030] Example 2.
[0031] The following will be combined with the attached Figure 1-3 The utility model is further described.
[0032] The utility model includes explosion-proof glass 1, high-temperature fire-viewing mirror 2, a first vertical rod 3, a second vertical rod 4, a casting platform 5, supporting legs 6, steps 7, a second horizontal rod 8, a first horizontal rod 9, and a protective steel plate 10. The specific structure includes a casting platform 5, a first horizontal rod 9 is installed above the casting platform 5, the second horizontal rod 8 is fixedly installed at both ends of the first horizontal rod 9, the second horizontal rod 8 and the casting platform 5 are fixedly connected by a plurality of evenly arranged first vertical rods 3, and the first horizontal rod 9 and the casting platform 5 are fixedly connected by a plurality of evenly arranged second vertical rods 4; the side wall surface of the first horizontal rod 9 is fixedly installed with a protective steel plate 10.
[0033] A high-temperature fire-viewing mirror 2 is fixedly installed on the side wall of the explosion-proof glass 1.
[0034] The first horizontal rod 9 and the second horizontal rod 8 form a frame structure with three sides surrounded and one side open.
[0035] A step 7 is installed at the opening of the frame structure, the surface of the step 7 is connected to the surface of the casting platform 5, and the step 7 gradually extends to the ground level.
[0036] The bottom surface of the casting platform 5 is fixedly mounted with supporting legs 6 . There are four supporting legs 6 , which are respectively located at four angles of the casting platform 5 .
[0037] The first horizontal rod 9 and the second horizontal rod 8 are made of angle steel, and the model is: 30mm*30mm*4mm; the frame formed by the first horizontal rod 9 and the second horizontal rod 8 has a length of 1000mm, a width of 1000mm, and a height of 2000mm; the model of the protective steel plate 10 is: 5 mm; the thickness of the explosion-proof glass 1 is 12-13mm, and the lens is blue; a high-temperature fire-viewing mirror 1 with a specification of 200mm*200mm is pasted in the middle position of the explosion-proof glass 1.
[0038] Instructions for use: When pouring is required, the operator can enter the casting platform 5 through the steps 7, stand on the surface of the casting platform 5, on the side of the protective steel plate 10 and the explosion-proof glass 1, and perform the molten iron casting operation with the assistance of the high-temperature fire-viewing mirror 2. The entire protective device can prevent the iron flowers generated by the splashing of liquid high-temperature molten iron from burning the operator, and the explosion-proof glass 1 can block the damage to the health of the operator caused by the thermal radiation of the liquid high-temperature molten iron. The lens of the high-temperature fire-viewing mirror 1 is blue, which can effectively reduce the incandescent strong light and radiation light generated by the liquid high-temperature molten iron to the eyes of the operator, thereby ensuring the safety and health of the molten iron casting operator in front of the furnace.
Claims
1. A protective device for molten iron casting in front of a ferrosilicon ore furnace, characterized in that: The invention comprises a casting platform (5), a first horizontal rod (9) is installed above the casting platform (5), second horizontal rods (8) are fixedly installed at both ends of the first horizontal rod (9), the second horizontal rod (8) and the casting platform (5) are fixedly connected via a plurality of evenly arranged vertical rods (3), and the first horizontal rod (9) and the casting platform (5) are fixedly connected via a plurality of evenly arranged second vertical rods (4); and a protective steel plate (10) is fixedly installed on the side wall surface of the first horizontal rod (9).
2. The protective device for molten iron casting in front of a ferrosilicon ore furnace according to claim 1, characterized in that: An explosion-proof glass (1) is fixedly mounted on the surface of the protective steel plate (10).
3. A protective device for molten iron casting in front of a ferrosilicon ore furnace as claimed in claim 2, characterized in that: A high-temperature fire-viewing mirror (2) is fixedly mounted on the side wall surface of the explosion-proof glass (1).
4. A protective device for molten iron casting in front of a ferrosilicon ore furnace as claimed in claim 3, characterized in that: The first horizontal rod (9) and the second horizontal rod (8) form a frame structure with three sides surrounded and one side open.
5. A protective device for molten iron casting in front of a ferrosilicon ore furnace as claimed in claim 4, characterized in that: A step (7) is installed at the opening of the frame structure, the surface of the step (7) is connected to the surface of the casting platform (5), and the step (7) gradually extends to the ground plane.
6. A protective device for molten iron casting in front of a ferrosilicon ore furnace as claimed in claim 5, characterized in that: The bottom surface of the casting platform (5) is fixedly mounted with supporting legs (6), and the number of the supporting legs (6) is four, which are respectively located at four angles of the casting platform (5).